Finding the Fourth Proportional to 106,229.80, 146,599.50 and 58,484.08
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Solution
The fourth proportional to 106,229.80, 146,599.50 and 58,484.08 is: 80,709.34
Step by Step Solution
- Step 1: Write the proportion equation
106,229.80 : 146,599.50 = 58,484.08 : x - Step 2: Convert to fraction form
106,229.80/146,599.50 = 58,484.08/x - Step 3: Cross multiply
106,229.80x = 146,599.50 × 58,484.08 - Step 4: Simplify right side
106,229.80x = 8,573,736,885.96 - Step 5: Solve for x
x = 8,573,736,885.96/106,229.80 - Step 6: Final answer
x = 80,709.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.